CA2062945A1 - Method and apparatus for contacting solid particles and fluid - Google Patents

Method and apparatus for contacting solid particles and fluid

Info

Publication number
CA2062945A1
CA2062945A1 CA002062945A CA2062945A CA2062945A1 CA 2062945 A1 CA2062945 A1 CA 2062945A1 CA 002062945 A CA002062945 A CA 002062945A CA 2062945 A CA2062945 A CA 2062945A CA 2062945 A1 CA2062945 A1 CA 2062945A1
Authority
CA
Canada
Prior art keywords
venturi
particles
pipe
throat
solid particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002062945A
Other languages
French (fr)
Other versions
CA2062945C (en
Inventor
Philip Holmes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2062945A1 publication Critical patent/CA2062945A1/en
Application granted granted Critical
Publication of CA2062945C publication Critical patent/CA2062945C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
    • C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1818—Feeding of the fluidising gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

A method and apparatus are described for contacting solid particles and fluid. A liquid is sprayed as liquid droplets from the discharge tip of a nozzle (50) into hot solid particles passing upwardly; in a vertical pipe (23). A venturi is formed in the pipe, and the venturi has an enhance portion which is up-wardly convergent to the throat and an exit portion which is up-wardly divergent from the throat. The tip of the nozzle (50) is so located relative to the venturi that liquid droplets commence va-porization, due to heat transfer from the hot solid particles, no further upstream (relative to the direction of movement of solid particles up the pipe (23)) then the throat of the venturi thereby resulting in a high degree of turbulence which causes good mix-ing of particles and vapour downstream of the venturi throat.
The particles-vapour mixture leaving the exit portion of the ven-turf is will mixed and particles are substantially uniformly mixed with vapour in radial planes of the pipe (23) downstream of the venturi. The energy of the droplets entering the pipe (23) from the nozzle (30) is shared with particles upstream of the throat and accelerates them to higher velocities in the pipe (23).
The method and apparatus may be employed for mixing-a hy-drocarbon feed with hot active craking catalyst particles in a ca-talytic cracking unit or process to reduce yields of light gas and coke and to increase yields of more valuable hydrocarbon pro-ducts.
CA002062945A 1989-07-12 1990-07-11 Method and apparatus for contacting solid particles and fluid Expired - Fee Related CA2062945C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8915984.2 1989-07-12
GB8915984A GB2233915A (en) 1989-07-12 1989-07-12 Contacting solid particles and fluid
PCT/GB1990/001070 WO1991000776A1 (en) 1989-07-12 1990-07-11 Method and apparatus for contacting solid particles and fluid

Publications (2)

Publication Number Publication Date
CA2062945A1 true CA2062945A1 (en) 1991-01-13
CA2062945C CA2062945C (en) 2002-04-02

Family

ID=10659944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002062945A Expired - Fee Related CA2062945C (en) 1989-07-12 1990-07-11 Method and apparatus for contacting solid particles and fluid

Country Status (8)

Country Link
EP (1) EP0482055B1 (en)
JP (1) JP3145107B2 (en)
AU (1) AU638733B2 (en)
CA (1) CA2062945C (en)
DE (1) DE69003534T2 (en)
ES (1) ES2044606T3 (en)
GB (1) GB2233915A (en)
WO (1) WO1991000776A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6405704B2 (en) 1992-07-27 2002-06-18 Kruse Technology Partnership Internal combustion engine with limited temperature cycle
JP2007033064A (en) * 2005-07-22 2007-02-08 Institute Of Physical & Chemical Research Fine particle counter
CN109529755B (en) * 2019-02-01 2024-07-02 大连海事大学 Multi-suction reinforced mixing Venturi reactor
CN116867564A (en) * 2021-02-05 2023-10-10 国际壳牌研究有限公司 Apparatus for mixing in a catalytic cracking reactor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859246A (en) * 1958-07-18 1961-01-18 Exxon Research Engineering Co Catalytic cracking process and apparatus therefor
EP0180291A1 (en) * 1984-10-26 1986-05-07 Mobil Oil Corporation Feed mixing technique for fluidized catalytic cracking of hydrocarbon oil

Also Published As

Publication number Publication date
ES2044606T3 (en) 1994-01-01
AU6038090A (en) 1991-02-06
EP0482055A1 (en) 1992-04-29
JPH04506625A (en) 1992-11-19
DE69003534T2 (en) 1994-05-19
WO1991000776A1 (en) 1991-01-24
CA2062945C (en) 2002-04-02
DE69003534D1 (en) 1993-10-28
GB2233915A (en) 1991-01-23
JP3145107B2 (en) 2001-03-12
AU638733B2 (en) 1993-07-08
EP0482055B1 (en) 1993-09-22
GB8915984D0 (en) 1989-08-31

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed